, and government funded research to push boundaries of science, research, chemistry, biology so smart risk takers turn them into new companies. that was the public side. the private side is the natural entrepreneurship. country. put that together. you get a great america, an an america that delivers on the american dream. we declined on the public side. we need to get back to reinvesting in that. >> host: mark in pennsylvania. plead, go ahead with the question for the two authors. >> caller: yes, i was wondering if -- hello? >> host: we're listening, mark. >> caller: yes, i was wondering if you think it's too late because if you looked at the amount we export and the amount we import from around the world that it might be too late to turn america around? >> host: michael? >> guest: it's not too late. we have exactly enough time to turn it around if we start now. we have the human capital, the resources, and the traditions, but we have to get serious about the challenges, and incidentally, we are bullish on american factories, and there's changes like 3-d printing technology that favors us. we'll